diff --git a/ManifestDownloader.exe b/ManifestDownloader.exe
new file mode 100644
index 0000000..d3050d5
Binary files /dev/null and b/ManifestDownloader.exe differ
diff --git a/vallc.ps1 b/vallc.ps1
new file mode 100644
index 0000000..12056a3
--- /dev/null
+++ b/vallc.ps1
@@ -0,0 +1,74 @@
+$textLang = 'de_DE'
+$voiceLang = 'ja_JP'
+$region = 'eu'
+$pakPath = 'G:/Valorant/Riot Games/VALORANT/live/ShooterGame/Content/Paks/'
+
+$savePath = "$($env:LOCALAPPDATA)/ValorantLangChanger/"
+$savePakPath = 'ShooterGame/Content/Paks/'
+
+Write-Output '~ Valorant Language Changer ~'
+
+if ($args.count -eq 0) {
+	if (!(Test-Path $savePath)) {
+		New-Item -Path $savePath -ItemType Directory
+	}
+	Invoke-Item $savePath
+	Exit
+}
+
+# download/update lang files
+Write-Output 'Checking for new language files...'
+try {
+	$lastPatchUrl = ''
+	if (Test-Path (-join($savePath, 'url.txt'))) {
+		$lastPatchUrl = Get-Content -Path (-join($savePath, 'url.txt'))
+	}
+
+	$patchConfig = ConvertFrom-Json (Invoke-WebRequest -Uri 'https://clientconfig.rpg.riotgames.com/api/v1/config/public?namespace=keystone.products.valorant.patchlines').Content
+	$configs = $patchConfig.'keystone.products.valorant.patchlines.live'.platforms.win.configurations
+
+	foreach ($config in $configs) {
+		if ($config.valid_shards.live[0] -eq $region) {
+			$patchUrl = $config.patch_url
+
+			if ($patchUrl -ne $lastPatchUrl) {
+				Write-Output 'Downloading new language files...'
+				$patchUrl | Out-File -FilePath (-join($savePath, 'url.txt'))
+				Start-Process -Wait -NoNewWindow -FilePath (-join($savePath, 'ManifestDownloader.exe')) -ArgumentList ($patchUrl,'-b','https://valorant.secure.dyn.riotcdn.net/channels/public/bundles','-l',$textLang,$voiceLang,'-o',$savePath,'-f','.+Text-WindowsClient.+')
+				Write-Output 'Downloaded new language files!'
+			} else {
+			    Write-Output 'Up to date!'
+			}
+			break;
+		}
+	}
+} catch {
+	Write-Error 'Can not contact public valorant config'
+	Exit
+}
+
+Write-Output 'Starting Valorant...'
+
+# copy 'voice' text lang files to valorant (to fool the launcher)
+Copy-Item (-join($savePath, $savePakPath, $voiceLang, '_Text-WindowsClient.pak')) (-join($pakPath, $voiceLang, '_Text-WindowsClient.pak'))
+Copy-Item (-join($savePath, $savePakPath, $voiceLang, '_Text-WindowsClient.sig')) (-join($pakPath, $voiceLang, '_Text-WindowsClient.sig'))
+
+Start-Process -FilePath $args[0] -ArgumentList $args[1..($args.count)]
+
+Write-Output 'Waiting for Valorant to start...'
+
+while (1) {
+	$proc = Get-WmiObject -Class 'win32_process' -Filter 'name = "VALORANT.exe"'
+	if ($proc) {
+		break;
+	}
+	Start-Sleep -Milliseconds 100
+}
+
+Write-Output 'Changing text language files...'
+
+# copy text lang files to valorant
+Copy-Item (-join($savePath, $savePakPath, $textLang, '_Text-WindowsClient.pak')) (-join($pakPath, $voiceLang, '_Text-WindowsClient.pak'))
+Copy-Item (-join($savePath, $savePakPath, $textLang, '_Text-WindowsClient.sig')) (-join($pakPath, $voiceLang, '_Text-WindowsClient.sig'))
+
+Write-Output 'Have fun!'